Electronic lock



FIG. 1 is a top, front and right side perspective view of an electronic lock showing our new design;

FIG. 2 is a top, rear and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines illustrate unclaimed portions and form no part of the claimed design. The shade lines indicate contour and not surface ornamentation. 

CLAIM The ornamental design for an electronic lock, as shown and described. 